80 lines
4.2 KiB
JavaScript
80 lines
4.2 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = setWeekYear;
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var _index = _interopRequireDefault(require("../differenceInCalendarDays/index.js"));
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var _index2 = _interopRequireDefault(require("../startOfWeekYear/index.js"));
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var _index3 = _interopRequireDefault(require("../toDate/index.js"));
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var _index4 = _interopRequireDefault(require("../_lib/toInteger/index.js"));
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var _index5 = _interopRequireDefault(require("../_lib/requiredArgs/index.js"));
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var _index6 = require("../_lib/defaultOptions/index.js");
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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/**
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* @name setWeekYear
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* @category Week-Numbering Year Helpers
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* @summary Set the local week-numbering year to the given date.
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*
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* @description
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* Set the local week-numbering year to the given date,
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* saving the week number and the weekday number.
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* The exact calculation depends on the values of
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* `options.weekStartsOn` (which is the index of the first day of the week)
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* and `options.firstWeekContainsDate` (which is the day of January, which is always in
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* the first week of the week-numbering year)
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*
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* Week numbering: https://en.wikipedia.org/wiki/Week#Week_numbering
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*
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* @param {Date|Number} date - the date to be changed
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* @param {Number} weekYear - the local week-numbering year of the new date
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* @param {Object} [options] - an object with options.
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* @param {Locale} [options.locale=defaultLocale] - the locale object. See [Locale]{@link https://date-fns.org/docs/Locale}
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* @param {0|1|2|3|4|5|6} [options.weekStartsOn=0] - the index of the first day of the week (0 - Sunday)
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* @param {1|2|3|4|5|6|7} [options.firstWeekContainsDate=1] - the day of January, which is always in the first week of the year
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* @returns {Date} the new date with the local week-numbering year set
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* @throws {TypeError} 2 arguments required
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* @throws {RangeError} `options.weekStartsOn` must be between 0 and 6
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* @throws {RangeError} `options.firstWeekContainsDate` must be between 1 and 7
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*
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* @example
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* // Set the local week-numbering year 2004 to 2 January 2010 with default options:
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* const result = setWeekYear(new Date(2010, 0, 2), 2004)
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* //=> Sat Jan 03 2004 00:00:00
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*
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* @example
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* // Set the local week-numbering year 2004 to 2 January 2010,
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* // if Monday is the first day of week
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* // and 4 January is always in the first week of the year:
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* const result = setWeekYear(new Date(2010, 0, 2), 2004, {
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* weekStartsOn: 1,
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* firstWeekContainsDate: 4
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* })
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* //=> Sat Jan 01 2005 00:00:00
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*/
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function setWeekYear(dirtyDate, dirtyWeekYear, options) {
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var _ref, _ref2, _ref3, _options$firstWeekCon, _options$locale, _options$locale$optio, _defaultOptions$local, _defaultOptions$local2;
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(0, _index5.default)(2, arguments);
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var defaultOptions = (0, _index6.getDefaultOptions)();
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var firstWeekContainsDate = (0, _index4.default)((_ref = (_ref2 = (_ref3 = (_options$firstWeekCon = options === null || options === void 0 ? void 0 : options.firstWeekContainsDate) !== null && _options$firstWeekCon !== void 0 ? _options$firstWeekCon : options === null || options === void 0 ? void 0 : (_options$locale = options.locale) === null || _options$locale === void 0 ? void 0 : (_options$locale$optio = _options$locale.options) === null || _options$locale$optio === void 0 ? void 0 : _options$locale$optio.firstWeekContainsDate) !== null && _ref3 !== void 0 ? _ref3 : defaultOptions.firstWeekContainsDate) !== null && _ref2 !== void 0 ? _ref2 : (_defaultOptions$local = defaultOptions.locale) === null || _defaultOptions$local === void 0 ? void 0 : (_defaultOptions$local2 = _defaultOptions$local.options) === null || _defaultOptions$local2 === void 0 ? void 0 : _defaultOptions$local2.firstWeekContainsDate) !== null && _ref !== void 0 ? _ref : 1);
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var date = (0, _index3.default)(dirtyDate);
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var weekYear = (0, _index4.default)(dirtyWeekYear);
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var diff = (0, _index.default)(date, (0, _index2.default)(date, options));
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var firstWeek = new Date(0);
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firstWeek.setFullYear(weekYear, 0, firstWeekContainsDate);
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firstWeek.setHours(0, 0, 0, 0);
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date = (0, _index2.default)(firstWeek, options);
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date.setDate(date.getDate() + diff);
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return date;
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}
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module.exports = exports.default; |